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Dr. Alexander Khoruts, a gastroenterologist, saved a patient by transplanting a piece of her husband's excrement into her colon. He decided his patient needed a transplant but he didn't give her a piece of someone else's intestines, or a stomach, or any other organ. Instead, he gave her some of her husband's bacteria. He mixed a small sample of her husband's stool with saline solution and delivered it into her colon. Aparently it worked as his patient's diarrhea vanished in a day. Her Clostridium difficile infection disappeared as well and has not returned since. The microbes in the man's excrement replaced those absent in the patient.

Doctors from the Texas Heart Institute have successfully replaced a patient’s heart with a device that keeps the blood flowing, thereby allowing him to live without a detectable heartbeat or even a pulse. Here’s how it works:

The turbine-like device, that are simple whirling rotors, developed by the doctors does not beat like a heart, rather provides a ‘continuous flow’ like a garden hose.Craig Lewis was a 55-year-old, dying from amyloidosis, which causes a build-up of abnormal proteins. The proteins clog the organs so much that they stop working, according to NPR.

But after the operation, with the ‘machine’ as his heart’s replacement, Lewis’ blood continued to spin and move through his body.

However, when doctors put a stethoscope to his chest, no heartbeat or pulse can be heard (only a ‘humming’ sound)—which “by all criteria that we conventionally use to analyze patients”, Doctor Cohn said, he is dead.

This is proof that “human physiology can be supported without a pulse”.

With all the talk of replacing human organs with those of an animal and electronic hearts, it’s surprising that medical researchers overlooked taking a trip to the plumbing section of the hardware store for replacement parts!

Patients who do not have an addiction to plastic surgery are satisfied when they leave; addicts think just one more procedure—and then another, and another, and another—will make them look perfect. This addiction can be the result of Body Dysmorphic Disorder, which is an unhealthy preoccupation with physical appearance or a specific body part. A famous addict is millionaire Jocelyn Wildenstein, who spent over $4,000,000 on cosmetic surgery over the years. The exact cause or causes of Body Dysmorphic Disorder is unknown, but most clinicians believe it to be a combination of biological, psychological and environmental factors.

Sarah Ottoson was born without a uterus due to a rare genetic disorder. However, if Swedish surgeons are successful, she could eventually carry a child to term, in the very uterus from whence she came. Sarah's mother Eva will donate her uterus—which clearly works—to her daughter via voluntary hysterectomy.

The surgery, which is scheduled in the spring of 2012, is not the first attempt to transplant a uterus. Another attempt in 2000 by Saudi doctors was initially successful, but the transplanted uterus was removed four months later due to complications. The surgery is apparently ridiculously complicated and involves connecting tiny blood vessels from the ovaries to the transplanted uterus. Even if the surgery is successful, doctors are unsure whether the transplanted uterus would be able to stretch and deliver enough blood to sustain life.

Surrogate mother Carole Horlock, 42, has delivered 12 babies in 13 years - including triplets, setting the world record for the most prolific surrogate mother. She told the ABC News program "20/20." : "When I first started being a surrogate I expected to do it once," she said. "I hadn't looked past that. But I enjoyed it so much. Before I actually had given birth to the baby I wanted to do it again." Surrogates receive an average $25,000 to $30,000 for their services, "20/20" said. The downsides include in-vitro fertilization, morning sickness, bed rest, Caesarean sections and stretch marks.

Horlock will make no demands on the parents of the triplets beyond requesting an annual letter and photograph to let her know how they are doing. But her surrogacy experiences have not all been positive. Her father rarely speaks to her, distressed that she is effectively giving away his grandchildren.